Port 1143 is usually used for IMAP (Internet Message Access Protocol) with SSL (Secure Sockets Layer) enabled. It allows remote email clients to access and manage email messages stored on a mail server.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
| Port | Protocol (TCP/UDP) | Title | Description | Port Type |
| Port 1143 | tcp | imyx | Infomatryx Exchange | REGISTERED PORT |
| Port 1143 | udp | imyx | Infomatryx Exchange | REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
| Port | Protocol (TCP/UDP) | Description |